Bowsers Buttercup Bed: Microvelvet. The Perfect Nest for Cats or Small Dogs ! This cleverly designed bed can be used when flat as a lounging mat or by simply pulling the string/toggle to adjust the size of the opening, it becomes the ultimate cozy hideaway. Machine washable & dryable. Note: sizes shown reflect dimension (diameter) when flat. Picture on left shows LRG (32") with dog, SML (24") open.